Aug 30 17:24:57.131 INFO checking game-2048-0.5.1 against master#ede55518431154bc761f7b2438cce9078c162700 for pr-53707
Aug 30 17:24:57.131 INFO running: cargo +ede55518431154bc761f7b2438cce9078c162700-alt check --frozen --all --all-targets
Aug 30 17:24:57.131 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53707/master#ede55518431154bc761f7b2438cce9078c162700:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53707/worker-3/master#ede55518431154bc761f7b2438cce9078c162700:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +ede55518431154bc761f7b2438cce9078c162700-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 30 17:24:57.346 INFO blam! e560a8dc2efaf46f5853bdaaa46c24189cd06e1bbcf1afe46686e4591c21dd63
Aug 30 17:24:57.348 INFO running `"docker" "start" "-a" "e560a8dc2efaf46f5853bdaaa46c24189cd06e1bbcf1afe46686e4591c21dd63"`
Aug 30 17:24:58.063 INFO kablam!     Checking matrix_display v0.3.0
Aug 30 17:24:58.658 INFO kablam!     Checking game-2048 v0.5.1 (file:///source)
Aug 30 17:25:00.079 INFO kablam! warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter
Aug 30 17:25:00.079 INFO kablam!  --> src/board.rs:3:24
Aug 30 17:25:00.079 INFO kablam!   |
Aug 30 17:25:00.079 INFO kablam! 3 | use rand::{thread_rng, sample};
Aug 30 17:25:00.079 INFO kablam!   |                        ^^^^^^
Aug 30 17:25:00.079 INFO kablam!   |
Aug 30 17:25:00.079 INFO kablam!   = note: #[warn(deprecated)] on by default
Aug 30 17:25:00.079 INFO kablam! 
Aug 30 17:25:00.079 INFO kablam! warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter
Aug 30 17:25:00.080 INFO kablam!   --> src/board.rs:57:22
Aug 30 17:25:00.080 INFO kablam!    |
Aug 30 17:25:00.080 INFO kablam! 57 |         let mut fw = sample(&mut rng, 1..256, 17);
Aug 30 17:25:00.080 INFO kablam!    |                      ^^^^^^
Aug 30 17:25:00.080 INFO kablam! 
Aug 30 17:25:00.218 INFO kablam! warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter
Aug 30 17:25:00.218 INFO kablam!  --> src/board.rs:3:24
Aug 30 17:25:00.218 INFO kablam!   |
Aug 30 17:25:00.218 INFO kablam! 3 | use rand::{thread_rng, sample};
Aug 30 17:25:00.218 INFO kablam!   |                        ^^^^^^
Aug 30 17:25:00.218 INFO kablam!   |
Aug 30 17:25:00.218 INFO kablam!   = note: #[warn(deprecated)] on by default
Aug 30 17:25:00.218 INFO kablam! 
Aug 30 17:25:00.219 INFO kablam! warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter
Aug 30 17:25:00.219 INFO kablam!   --> src/board.rs:57:22
Aug 30 17:25:00.219 INFO kablam!    |
Aug 30 17:25:00.219 INFO kablam! 57 |         let mut fw = sample(&mut rng, 1..256, 17);
Aug 30 17:25:00.219 INFO kablam!    |                      ^^^^^^
Aug 30 17:25:00.219 INFO kablam! 
Aug 30 17:25:00.362 INFO kablam! warning: floating-point types cannot be used in patterns
Aug 30 17:25:00.362 INFO kablam!   --> src/board.rs:22:22
Aug 30 17:25:00.362 INFO kablam!    |
Aug 30 17:25:00.362 INFO kablam! 22 |                      1_f64 => (".".to_string(), col),
Aug 30 17:25:00.363 INFO kablam!    |                      ^^^^^
Aug 30 17:25:00.363 INFO kablam!    |
Aug 30 17:25:00.363 INFO kablam!    = note: #[warn(illegal_floating_point_literal_pattern)] on by default
Aug 30 17:25:00.363 INFO kablam!    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
Aug 30 17:25:00.363 INFO kablam!    = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
Aug 30 17:25:00.363 INFO kablam! 
Aug 30 17:25:00.389 INFO kablam! warning: floating-point types cannot be used in patterns
Aug 30 17:25:00.389 INFO kablam!   --> src/board.rs:22:22
Aug 30 17:25:00.389 INFO kablam!    |
Aug 30 17:25:00.389 INFO kablam! 22 |                      1_f64 => (".".to_string(), col),
Aug 30 17:25:00.389 INFO kablam!    |                      ^^^^^
Aug 30 17:25:00.389 INFO kablam!    |
Aug 30 17:25:00.389 INFO kablam!    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
Aug 30 17:25:00.389 INFO kablam!    = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
Aug 30 17:25:00.389 INFO kablam! 
Aug 30 17:25:00.427 INFO kablam! warning: variable does not need to be mutable
Aug 30 17:25:00.427 INFO kablam!   --> src/game.rs:70:19
Aug 30 17:25:00.427 INFO kablam!    |
Aug 30 17:25:00.427 INFO kablam! 70 |             .map(|mut row| {
Aug 30 17:25:00.427 INFO kablam!    |                   ----^^^
Aug 30 17:25:00.427 INFO kablam!    |                   |
Aug 30 17:25:00.427 INFO kablam!    |                   help: remove this `mut`
Aug 30 17:25:00.427 INFO kablam!    |
Aug 30 17:25:00.427 INFO kablam!    = note: #[warn(unused_mut)] on by default
Aug 30 17:25:00.427 INFO kablam! 
Aug 30 17:25:00.440 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Aug 30 17:25:00.440 INFO kablam!   --> src/game.rs:68:9
Aug 30 17:25:00.440 INFO kablam!    |
Aug 30 17:25:00.440 INFO kablam! 68 | /         self.data
Aug 30 17:25:00.440 INFO kablam! 69 | |             .chunks_mut(4)
Aug 30 17:25:00.440 INFO kablam! 70 | |             .map(|mut row| {
Aug 30 17:25:00.440 INFO kablam! 71 | |                 let (new_row, new_score) = match dir {
Aug 30 17:25:00.440 INFO kablam! ...  |
Aug 30 17:25:00.440 INFO kablam! 86 | |             })
Aug 30 17:25:00.440 INFO kablam! 87 | |             .collect::<Vec<_>>();
Aug 30 17:25:00.440 INFO kablam!    | |_________________________________^
Aug 30 17:25:00.440 INFO kablam!    |
Aug 30 17:25:00.440 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Aug 30 17:25:00.441 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Aug 30 17:25:00.441 INFO kablam! 
Aug 30 17:25:00.576 INFO kablam! warning: floating-point types cannot be used in patterns
Aug 30 17:25:00.576 INFO kablam!   --> src/board.rs:22:22
Aug 30 17:25:00.576 INFO kablam!    |
Aug 30 17:25:00.576 INFO kablam! 22 |                      1_f64 => (".".to_string(), col),
Aug 30 17:25:00.576 INFO kablam!    |                      ^^^^^
Aug 30 17:25:00.576 INFO kablam!    |
Aug 30 17:25:00.576 INFO kablam!    = note: #[warn(illegal_floating_point_literal_pattern)] on by default
Aug 30 17:25:00.576 INFO kablam!    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
Aug 30 17:25:00.576 INFO kablam!    = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
Aug 30 17:25:00.576 INFO kablam! 
Aug 30 17:25:00.617 INFO kablam! warning: floating-point types cannot be used in patterns
Aug 30 17:25:00.617 INFO kablam!   --> src/board.rs:22:22
Aug 30 17:25:00.617 INFO kablam!    |
Aug 30 17:25:00.617 INFO kablam! 22 |                      1_f64 => (".".to_string(), col),
Aug 30 17:25:00.617 INFO kablam!    |                      ^^^^^
Aug 30 17:25:00.617 INFO kablam!    |
Aug 30 17:25:00.617 INFO kablam!    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
Aug 30 17:25:00.617 INFO kablam!    = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
Aug 30 17:25:00.617 INFO kablam! 
Aug 30 17:25:00.640 INFO kablam! warning: variable does not need to be mutable
Aug 30 17:25:00.640 INFO kablam!   --> src/game.rs:70:19
Aug 30 17:25:00.640 INFO kablam!    |
Aug 30 17:25:00.640 INFO kablam! 70 |             .map(|mut row| {
Aug 30 17:25:00.640 INFO kablam!    |                   ----^^^
Aug 30 17:25:00.640 INFO kablam!    |                   |
Aug 30 17:25:00.640 INFO kablam!    |                   help: remove this `mut`
Aug 30 17:25:00.640 INFO kablam!    |
Aug 30 17:25:00.640 INFO kablam!    = note: #[warn(unused_mut)] on by default
Aug 30 17:25:00.640 INFO kablam! 
Aug 30 17:25:00.651 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Aug 30 17:25:00.651 INFO kablam!   --> src/game.rs:68:9
Aug 30 17:25:00.651 INFO kablam!    |
Aug 30 17:25:00.651 INFO kablam! 68 | /         self.data
Aug 30 17:25:00.651 INFO kablam! 69 | |             .chunks_mut(4)
Aug 30 17:25:00.651 INFO kablam! 70 | |             .map(|mut row| {
Aug 30 17:25:00.651 INFO kablam! 71 | |                 let (new_row, new_score) = match dir {
Aug 30 17:25:00.651 INFO kablam! ...  |
Aug 30 17:25:00.651 INFO kablam! 86 | |             })
Aug 30 17:25:00.651 INFO kablam! 87 | |             .collect::<Vec<_>>();
Aug 30 17:25:00.651 INFO kablam!    | |_________________________________^
Aug 30 17:25:00.651 INFO kablam!    |
Aug 30 17:25:00.651 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Aug 30 17:25:00.651 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Aug 30 17:25:00.651 INFO kablam! 
Aug 30 17:25:00.669 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.64s
Aug 30 17:25:00.672 INFO kablam! su: No module specific data is present
Aug 30 17:25:01.248 INFO running `"docker" "rm" "-f" "e560a8dc2efaf46f5853bdaaa46c24189cd06e1bbcf1afe46686e4591c21dd63"`
Aug 30 17:25:01.340 INFO blam! e560a8dc2efaf46f5853bdaaa46c24189cd06e1bbcf1afe46686e4591c21dd63